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  6. Balmar 48-WSP-18 Pulley Kit for Westerbeke 18, 21A, 27A, 35B, 38B, 42B
Balmar 48-WSP-18 Pulley Kit for Westerbeke 18, 21A, 27A, 35B, 38B, 42B
Balmar 48-WSP-18 Pulley Kit for Westerbeke 18, 21A, 27A, 35B, 38B, 42B

Balmar 48-WSP-18 Pulley Kit for Westerbeke 18, 21A, 27A, 35B, 38B, 42B

On sale $495.00 $442.00
Balmar Altmount Serpentine pulley kit permits mounting a much larger alternator in lieu of the standard model - for Westerbeke 18, 21A, 27A, 35B, 38B, 42B
p/n: 48-WSP-18
Availability: In stock

These Altmount Kits by Balmar offer the opportunity to install a larger alternator than would otherwise be possible. This kit is for the Westerbeke 18, 21A, 27A, 35B, 38B, 42B  See the "Additional Information" tab for details and photos of an actual installation. Alternator upgrades using a single drive belt are limited by the amount of power that can be transferred by the belt but using a multi grooved belt considerably increases the possibilities. The kits include a set of serpentine pulleys for the crankshaft, water pump pulley and alternator. This pulley kit comes with two belts so you have a spare, the alternators need to be purchased separately. If you order an alternator at the same time as the kit it will come with the appropriate pulley pre-installed.


  • Kit includes three ten groove J10 pulleys
  • Includes also two 40" circumference J10 belts and mounting hardware.
  • Instruction sheet
  • Please check your engine model number carefully to ensure you are ordering the correct kit.

Notice

This kit is designed for use with a Balmar alternator.  It may be possible to use it with another alternator that has a 17mm shaft diameter, but the fit is not guaranteed or may require an different alternator pulley sold separately. Using this kit with other alternators may require you to change the length of the belt. Each kit comes with two belts, we don't recommend you order additional belts until you check the fit.  Installations vary and sometimes we have to swap out belts.  We will swap unused belts for free we just ask you to pay shipping.
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